(PDF) Acid Mine Drainage Management in Indonesian Mines

Akhmad A, Rudiyanto H, Raharja DS and Rozi A (2008) Management of AMD in Bukit Asam ' Coal Mine, South Sumatra. ln 'Proceedings of the 3rd lndonesian Acid Mine …

G. Ivanova | CQ University Australia - Academia.edu

Purpose – The coal mining industry makes a key contribution to the Queensland economy, and is the underlying driver of employment and economic conditions in many local and regional communities. This article aims to focus on how the social and economic impacts of mining should be assessed and negotiated with local and regional communities.

Ranjeet Mandal | Central Institute of ... - Academia.edu

Underground coal mines require equipment for sustainable growth of coal mining industry and safety of miners. There are many parameters that need to be monitored regularly, such as gases, strata conditions, temperature, air velocity etc. These parameters control and …

Teuku M. Iqbal - Operations Manager - PT MITRA MINERAL ...

Feb 2016 - Apr 2016. Evaluating the performance of the mining contractor (PT Ricobana Abadi) at PT Berau Coal (LATI site). Focus in Production optimization study : Hauling equipment (HD 465 785, 777) and Loading equipment (excavator PC …

Dhea Annisa Puteri - Mine Plan Engineer - PT Bukit Asam ...

I am strong in drilling and blasting, mine plan, mine production and mine operation. I have good motivation for progress, good communication, eager to learn and growing, also I can work with a team or by myself. I've taken Internship Program in 2 mining company namely PT. Bukit Asam Tbk (coal company) dan PT. Trimegah Perkasa Utama (granite ...

Imam A. Sadisun | Institut Teknologi Bandung - Academia.edu

All samples used in this study were coal-measure argillaceous rocks obtaining from Matsushima Colliery of Ikeshima Coal Mine, Japan, and Ombilin and Tanjung Enim Collieries of Bukit Asam Coal Mines, Indonesia. The samples were then classified as shale, siltstone, mudstone, and claystone due to their lithological characteristics.

Kadir Turan | Hacettepe University - Academia.edu

Kadir Turan, Hacettepe University, Mining Engineering Department, Graduate Student. Studies Mining Engineering, Geotechnical Engineering, and Engineering Geology. ... Coal Mining, Mining Engineering, Rock Mechanics, and Tunnel Engineering. Download (.pdf)- ... Academia ©2021 ...

Muhammad Sonny Abfertiawan - Academia.edu

Lati Mine Operation (LMO) merupakan salah satu area pertambangan yang dimiliki dan dioperasikan oleh PT Berau coal yang berlokasi di Kabupaten Berau, Kalimantan Timur. LMO memiliki potensi pembentukan air asam tambang (AAT) dengan ratio material pembentuk asam (potentially acid forming/PAF) dan material bukan pembentuk asam (Non Acid Forming ...

Izhar Mithal Jiskani | China University of Mining and ...

In terms of coal's stability and failure, soaking time and water content play a significant role in geotechnical engineering practice. To determine the soaking time effect on the mechanical behavior of coal samples and the response of AE (acoustic emission) signal throughout loading, the samples with different soaking times (0–120 hours (h)) were prepared and tested under uniaxial compression.

Air Asam Tambang Research Papers - Academia.edu

Lati Mine Operation (LMO) merupakan salah satu area pertambangan yang dimiliki dan dioperasikan oleh PT Berau coal yang berlokasi di Kabupaten Berau, Kalimantan Timur. LMO memiliki potensi pembentukan air asam tambang (AAT) dengan ratio material pembentuk asam (potentially acid forming/PAF) dan material bukan pembentuk asam (Non Acid Forming ...

(PDF) COAL MINING | Shivangini Uvajhaya - Academia.edu

By 1975, Coal India Limited emerged as an organised state owned coal mining Corporate with modest production in the beginning to single eagle largest coal producing company in the world .14 24 ) After independence, The Mines Act, 1952 passed which had several provisions related to health, safety and welfare of the workers working in coal, oil ...

(PDF) PROSPECT OF RAILWAY SYSTEM ... - Academia.edu

Bukit Asam (Persero) Tbk and PT.KAI (Persero) October 12th, 2009. ACKNOWLEDGMENTS We would like to express our gratefulness and appreciation to PT. Bukit Asam, the coal mining company and PT. KAI, the railway operator company regional III in Sumatra Island, Indonesia, who allow us to access and utilize their data for the purpose of this paper.

Shalaho Dd - Academia.edu

Shalaho Dd studies Acid Mine Drainage, Coal Mining, and Laboratory Experiments. ... PEMODELAN PENYEBARAN BATUAN POTENSIAL PEMBENTUK ASAM PADA KAWASAN PENAMBANGAN BATUBARA TAMBANG TERBUKA DI MUARA LAWA, KABUPATEN KUTAI BARAT, KALIMANTAN TIMUR ... Academia ©2021 ...

(PDF) Mining-and-Development-in-Indonesia - Academia.edu

The Indonesian mining industry value of production is expected to almost double from USD82.6 billion in 2010 to USD143 billion in 2016 and it is predicted that growth will be from coal and nickel production, with annual growth rates of 10.4 per cent and 9.1 per cent, …

Prasenjit Samanta | Vidyasagar University - Academia.edu

Natural resources have been over-exploited for almost two centuries, without any concern for the environment. Mining tends to make a notable impact on the environment, the impacts varying in severity depending on whether the mine is working or abandoned, the mining methods used, and the geological conditions (Bell et al., 2001).

Yudha G U S T I Wibowo | University of jambi - Academia.edu

ABSTRACT PT. Manggala Alam Lestari is one of the companies engaged in coal industry using open pit method. This method will cause big basin, so water will accumulate on mine floor. An optimal mining drainage system is needed to control water entering mining pit.One of attempts at mine drilling is to make a sump design.

Hervinda Ikanurpratiwi | Universitas ... - Academia.edu

Bukit Asam (Persero), Tbk. is one of coal mining company. Coal which is in the stockpile comes from the several different fronts but has the same calories. Problems arising from the quality of the coal is the complaint of the consumer on the quality of coal that deviate from the standard agreement that the quality of coal has been determined.

Deddy Tanggara | Palangka Raya University - Academia.edu

The ultimate coal analysis shows the 85.72 % carbon content, 0.51% total sulphur content and 0.013% phosphorus. The resultant of CSN test showed value 8,5 and the maximum fluidity value is 1092 ddpm while HGI indicated value 97 as result. Therefore, medium volatile bituminous coal of Batu Ayau, which meets the present testing as good quality ...

sistem penambangan tambang batubara pt bukit asam

Bisnis com JAKARTA PT Bukit Asam Tbk PTBA menyatakan kesiapannya untuk mengelola tambang batubara milik tersangka kasus PT Asuransi Jiwasraya Heru Hidayat Direktur Utama PT Bukit Asam Arviyan mengatakan saat ini tambang batubara sitaan kasus Jiwasraya tersebut masih dalam tahap pengawasan . Batubara Dunia Tambang

Ahmad Baiquni | University of Brawijaya - Academia.edu

Block B-West is located in Sambarata Mine Operation (SMO), which is one of the prime mine blocks of PT Berau Coal in term of coal quantity and quality, but this location has experienced serious problem with overburden material that is the exspansive rock, which contains monmorillonite (Al2Si4O10(OH)2).

Penn State University | Coal & Coke ... - Academia.edu

Academia.edu is a place to share and follow research. Skip to main content ... A short history of two of the early coal mining towns in the Kiskimintas Valley. Plus data on the small mines on Blacklegs Creek. These towns were connected in many ways with Saltsburg, PA. Save to Library.

Carsten Drebenstedt | Technische ... - Academia.edu

Coal mining sector has a noticeable role in the task because it is an important power for the development of heavy industries. The open pit mining has been contributing a large volume in the total output of coal produced in Vietnam now. However, to confirm its position in coal mining sector in particular and in mineral mining sector in general ...

shun liang | China University of Mining and ... - Academia.edu

Ascending mining is one of the most effective ways to solve problems of water inrush, gas outburst and rock burst in coal seams mining. In order to reveal the law of motion and spatiotemporal relationship of overlaying strata, field measurement has been done in a mine. Long distance drillings were constructed from 4# coal seam to 6# coal seam ...

Eunhye Kim | University of Utah - Academia.edu

This paper presents a conceptual model of pipe umbrella roof support methods intended for employment in the underground coal mining environment over a single entry of a development section.The design methodology was evaluated by examining a case study of a western U.S. coal mine, and its specific geologic conditions.

awang saptian | Universitas Sriwijaya - Academia.edu

Kata-kata kunci: strip mining, perencanaan, sekuen, pit, disposal PT Budi Gema Gempita is private mine company with coal commodity at Lahat Regency, South Sumatera Province. PT Budi Gema Gempita mining method is strip mining with combination equipments of shovel excavator backhoe ZX470LC helped with trucks articulated dump truck A35.

Raymond A Washlaski | Penn State University - Academia.edu

Raymond A Washlaski, Penn State University, Coal & Coke Heritage Center. Fayette Campus, Alumnus. Studies Coal Company Towns in Southwestern Pennsylvania, Historical Archaeology, and Industrial Archaeology and Heritage. Historian, Editor,

Ukar WS | Universitas Islam Bandung - Academia.edu

The result of simulated feasibility study at the designed capacity of 6,000, 12,000 and 30,000 tons of dry coal per day with 25 years life time started production in 2011, shown that among those designed capacities, the capacity of 30,000 tons of coal per day by using the coal price around US$ 11/ton would be able to produce crude synthetic oil ...

Uganda Pt Trubaindo Cool Mining

Trubaindo Coal Mining Operates As A Coal Mining Company In Indonesia. It Operates An Open-Pit Mine That Produces Coal For Use In Power And Industrial Plants. The Company Was Founded In 1990 And Is Based In Jakarta Selatan, Indonesia. PT. Trubaindo Coal Mining Operates As A Subsidiary Of Banpu Public Company ...